Dania Dhafer Hameed1 , Siham Sabah Abdullah2 , Ali Abdullhussein Mahdi3 2020. Preparation of Nano-Antigen for Brucella Abortus by Ultrasound Technique and Evaluate their Sensitivity by ELISA Technique. Indian Journal of Forensic Medicine & Toxicology. 14, 3 (Jul. 2020), 2519–2524. DOI:https://doi.org/10.37506/ijfmt.v14i3.10816.